Observatory · observe first
Follow the allocation change
Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.
Historical time machine
Historical observation
20182026
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Financials
Transaction & Payment Processing Services0.80%-0.38 ppAsset Management & Custody Banks1.31%+0.28 ppInvestment Banking & Brokerage1.38%+0.27 ppDiversified Banks3.74%+0.23 ppProperty & Casualty Insurance0.90%-0.22 ppFinancial Exchanges & Data0.89%-0.18 ppInsurance Brokers0.55%-0.17 ppConsumer Finance0.81%+0.17 ppLife & Health Insurance0.34%-0.09 ppRegional Banks0.28%-0.06 ppMulti-line Insurance0.15%-0.03 ppReinsurance0.03%-0.01 ppMulti-Sector Holdings0.00%-0.00 pp
3 · Sub-industry
Inside Diversified Banks
Diversified Banks · weight
3.74%
Industry change · 12M
+0.23 pp
Diversified Banks · contribution
+0.229 pp
Company participation
29%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 2025 · sorted by absolute contribution to 12-month change
| Company | Country | Market cap | Universe weight | 3M contribution | 12M contribution | 12M price return | Above 6M weight average |
|---|---|---|---|---|---|---|---|
| JPMorgan Chase → JPM | United States | $855.5bn | 1.676% | -0.060 pp | +0.208 pp | +43.2% | No |
| Citigroup → C | United States | $186.4bn | 0.365% | -0.004 pp | +0.077 pp | +62.6% | Yes |
| PNC Financial Services → PNC | United States | $71.9bn | 0.141% | -0.018 pp | -0.035 pp | +0.6% | No |
| U.S. Bancorp → USB | United States | $72.6bn | 0.142% | -0.005 pp | -0.035 pp | +1.0% | No |
| Wells Fargo → WFC | United States | $273.0bn | 0.535% | -0.018 pp | +0.027 pp | +36.9% | No |
| Truist Financial → TFC | United States | $57.1bn | 0.112% | -0.007 pp | -0.024 pp | +8.8% | No |
| Bank of America → BAC | United States | $390.3bn | 0.765% | +0.026 pp | +0.010 pp | +30.8% | Yes |
Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.